Finding the Fourth Proportional to 42,011.49, 63,013.77 and 13,922.37

Step by Step Solution

1. Step 1: Write the proportion equation
   42,011.49 : 63,013.77 = 13,922.37 : x
2. Step 2: Convert to fraction form
   42,011.49/63,013.77 = 13,922.37/x
3. Step 3: Cross multiply
   42,011.49x = 63,013.77 × 13,922.37
4. Step 4: Simplify right side
   42,011.49x = 877,301,021.03
5. Step 5: Solve for x
   x = 877,301,021.03/42,011.49
6. Step 6: Final answer
   x = 20,882.41